'Flatworms'
(Natural History Episode 17)

The flatworms (Convolutriloba retrogemma) featured in the video are shown at 3x normal speed. They each range from 2-4mm in total length.

These particular flatworms harbor symbiotic zooxanthellae in their thin tissue and utilize the excess sugars they create as their primary energy source. Packets of zooxanthellae can be seen as the tiny, red-brown dots along the back of flatworm. Their reliance upon this photosynthesis requires that these flatworms bask in sunlight like little photovoltaic cells, and enables them to live without a developed digestive system.

Video, Aquarium + Original Soundtrack: Coral Morphologic
2010

See bit.ly/ahvbGD for more details.

Screened at ATP Curated by Animal Collective | May 13-15, 2011 - Minehead, UK
Screened at Miami Underwater Festival | May 27-28, 2011 - Miami, FL

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